What is the low beam headlight bulb size for a 2010 Subaru Legacy?

The 2010 Subaru Legacy uses a H7 LED bulb for the low beam headlights. We recommend upgrading to LED for better visibility.

What is the high beam headlight bulb size for a 2010 Subaru Legacy?

The high beam bulb size for the 2010 Subaru Legacy is 9005 LED.

Why are my 2010 Subaru Legacy headlights dim?

Dim headlights on a 2010 Subaru Legacy can be caused by aging halogen bulbs, which lose brightness over time, or oxidation (cloudiness) on the plastic headlight lenses. Upgrading to a H7 LED LED conversion kit can provide a significantly brighter and whiter light output.

Which bulb fits the 2010 Subaru Legacy fog light?

The 2010 Subaru Legacy uses a H11 LED bulb for the fog light position.

Is the 2010 Subaru Legacy single or dual beam?

The 2010 Subaru Legacy uses a dual bulb headlight system. This means you have separate bulbs for high and low beams.

Can I install LED bulbs on my 2010 Subaru Legacy?

Yes, the 2010 Subaru Legacy comes with standard halogen bulbs from the factory, but they can be upgraded to LED. You will need a H7 LED LED conversion kit for the low beams.

Does the 2010 Subaru Legacy have fog lights?

Yes, the 2010 Subaru Legacy takes a H11 LED bulb for the fog light position.

Did the 2010 Subaru Legacy change headlight bulb sizes from the previous year?

Yes — the 2010 Subaru Legacy uses different bulb sizes than the 2009 model. The 2010 generation introduced this bulb configuration.

Is the 2010 Subaru Legacy the first or last year to use H7 LED bulbs?

The 2010 Subaru Legacy is the only year in the 2010 generation to use the H7 LED bulb for the low beam headlight.

How do I change the headlight on a 2010 Subaru Legacy?

Turn off the vehicle and open the hood. Locate the headlight assembly from behind, remove the dust cover or retaining clip, disconnect the wiring harness, twist the old H7 LED bulb counter-clockwise to remove it, then insert the new bulb and reassemble. The whole process typically takes 10 to 30 minutes per side depending on accessibility.

Are LED headlights legal for a 2010 Subaru Legacy?

LED bulbs used off-road or in auxiliary lights are legal everywhere. For on-road headlight use, legality varies by state. Many states allow LED retrofits as long as the beam pattern meets DOT standards. For the best legal compliance, choose a DOT-approved H7 LED LED kit that is designed as a direct replacement and produces a proper cutoff pattern without excessive glare.

How much does it cost to replace 2010 Subaru Legacy headlights?

A pair of halogen H7 LED bulbs costs $15 to $40, while LED conversion kits run $25 to $60 per pair. If you have a shop do the work, expect an additional $20 to $50 in labor per bulb. Replacing them yourself at home saves the labor cost and usually takes under 30 minutes.

What is the difference between halogen and LED for a 2010 Subaru Legacy?

Halogen bulbs produce a warm yellow light (around 3200K), last 500 to 1000 hours, and draw more power. LED bulbs emit a brighter white light (5000-6000K), last 25,000+ hours, and use less energy. LED upgrades for the H7 LED position are available as direct plug-and-play replacements.

The 2010 Subaru Legacy has a unique bulb configuration not shared with adjacent model years.

Fitment Guaranteed for 2010 Subaru Legacy

What Size Bulbs Does a 2010 Subaru Legacy Use?

Correct headlight, fog light, and tail light bulb sizes. Sourced from OEM catalog data.

Installation Difficulty

Easy (Plug and Play)

Est. Replacement Cost

$15 - $40 (Halogen) / $30+ (LED)

What Lighting System Does the 2010 Subaru Legacy Have?

Lighting on the 2010 Subaru Legacy is managed by a total of 14 bulbs, covering everything from primary headlights to signal indicators. It features an extensive lighting system powered by a dual-bulb halogen configuration using separate H7 LED low beam and 9005 LED high beam bulbs for precise light distribution. This model belongs to the mid years of the Legacy's 1990-2022 production span.

Can You Put LED Bulbs in a 2010 Subaru Legacy?

Upgrading to LED is one of the most effective ways to modernize your Subaru's appearance and safety profile. We recommend starting your upgrade with the H7 LED low beams, as they see the most use. Adding a matching 9005 LED LED kit later will complete the look and ensure consistent lighting performance. Don't forget the H11 LED fog lights; switching these to LED can dramatically improve your visibility in adverse weather.

2010 Subaru Legacy Bulb Size Chart

Position	Bulb Size	Shop
Low Beam	H7 LED	Buy H7 LED →
High Beam	9005 LED	Buy 9005 LED →
Fog Light	H11 LED	Buy H11 LED →
Brake Light	7443	Buy 7443 →
Side Marker	7443 LED	Buy 7443 LED →
Turn Signal Front	7440 LED	Buy 7440 LED →
Turn Signal Rear	7440NA LED	Buy 7440NA LED →
Reverse Light	921	Buy 921 →
Dome Light	DE3175	Buy DE3175 →
License Plate	168	Buy 168 →
Map Light	DE3175	Buy DE3175 →
Parking Light	168	Buy 168 →
Trunk Light	168	Buy 168 →
Tail Light	7443	Buy 7443 →

How do the 2010 Subaru Legacy's bulbs compare to other years?

The 2010 Subaru Legacy changed bulb sizes from 2009. The previous model year used a different configuration.

The 2011 model switched to a different bulb configuration.

This bulb configuration covers the 2010 model years. ← 2009 2011 →

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Other Legacy Years

2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990

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